The new iPhone 4S

Apple Chief Executive Officer Tim Cook speaks in front of an image of the iPhone 4S at Apple headquarters in Cupertino, California in this October 4, 2011 file photo. (REUTERS)
Takashi Tanaka, president of KDDI Corp., attends a ceremony marking the launch of the iPhone 4S at one of the company's outlets in Tokyo's Shibuya district in this photo taken by Kyodo on October 14, 2011. Apple Inc's latest iPhone went on sale in stores across the globe on Friday, with fans snapping up the final gadget unveiled during Steve Jobs' lifetime, many buying the phone as a tribute to the former Apple boss. The letters read, "More connections for iPhone." Mandatory Credit. (REUTERS)
Customers queue to buy iPhone 4S outside an Apple store in Tokyo October 14, 2011. Apple Inc's latest iPhone went on sale in stores across the globe on Friday, with fans snapping up the final gadget unveiled during Steve Jobs' lifetime, many buying the phone as a tribute to the former Apple boss. Hundreds of fans queued around city blocks in Tokyo to be the first to get their hands on the iPhone 4S, which looks similar to the previous iPhone 4 but has a better camera, faster processor and well-received voice activated software. (REUTERS)
Staff members try iPhone 4S at an Apple store in Tokyo October 14, 2011. Apple Inc's latest iPhone went on sale in stores across the globe on Friday, with fans snapping up the final gadget unveiled during Steve Jobs' lifetime, many buying the phone as a tribute to the former Apple boss. Hundreds of fans queued around city blocks in Tokyo to be the first to get their hands on the iPhone 4S, which looks similar to the previous iPhone 4 but has a better camera, faster processor and well-received voice activated software. (REUTERS)
Duncan Hoare of north London who was first in the queue after camping out since Tuesday, celebrates as he emerges from the Apple store with his new iPhone 4S, in Covent Garden, London October 14, 2011. Apple Inc's new iPhone went on sale in stores across the globe on Friday, with fans snapping up the final gadget unveiled during Steve Jobs' lifetime, many buying the phone as a tribute to the former Apple boss. (REUTERS)
Aliona Ione (L) and her friend Maria Morales from Belarus share a blanket as they queue to buy the new Apple iPhone 4S, in Covent Garden, London. (REUTERS)
Luke Peters holds the new iPhone 4S outside the Apple store in Covent Garden, London October 14, 2011. Apple Inc's new iPhone went on sale in stores across the globe on Friday, with fans snapping up the final gadget unveiled during Steve Jobs' lifetime, many buying the phone as a tribute to the former Apple boss. (REUTERS)
Matthew Kelly from Swansea reacts as he emerges from the Apple store after purchasing two new iPhone 4S handsets, in Covent Garden, London October 14, 2011. Apple Inc's new iPhone went on sale in stores across the globe on Friday, with fans snapping up the final gadget unveiled during Steve Jobs' lifetime, many buying the phone as a tribute to the former Apple boss. (REUTERS)